However, we can infer some details about him from the text:
* He is a young boy. The story is told from the perspective of Salamanca Tree Hiddle, who is in middle school. Ben is her classmate and friend, so he is likely around the same age.
* He is athletic and enjoys sports. He is on the school track team and participates in the relay race.
* He has a kind heart and is loyal. He is a good friend to Salamanca and is willing to listen to her stories and help her in her search for her mother.
Ultimately, the physical description of Ben is left to the reader's imagination, allowing each reader to picture him based on their own interpretation of the story.
